Lenovo DE6400/6600 HIC 12Gb SAS Expansion, 4 Ports | RAID Controller

Add high-density SAS expansion to Lenovo DE6400 and DE6600 storage systems with this 4-port HIC. Built for environments that need to scale drive attachment cleanly, it provides a direct path to expand storage connectivity while preserving the architecture of the existing array. The 12Gb SAS interface supports fast backend communication, helping maintain consistent throughput as capacity grows. This HIC is a practical choice for teams standardizing on Lenovo storage and looking to extend shelf connectivity without introducing unnecessary complexity. Four ports give administrators more flexibility in how expansion shelves are attached and segmented, which can help support cleaner cabling and more controlled growth planning. For infrastructure teams, that means a storage expansion path that fits enterprise deployment discipline rather than forcing a platform change. Use it when the goal is to increase attached capacity on DE6400/6600 systems while keeping the storage stack aligned with Lenovo hardware. It is a focused component for organizations that value compatibility, predictable scaling, and a direct SAS expansion design.